Rice sorting equipment

Abstract

The rice sorting equipment comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a fixing frame, the front side surface of the fixing frame is provided with a discharging port, the inner surface of the fixing frame is connected with a screening frame in a sliding mode, and the four side surfaces of the screening frame make contact with the four side surfaces of the interior of the fixing frame respectively. The upper surface of the bottom plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, a through round hole is formed in the side surface, not provided with a discharging port, of the fixing frame, the rotating shaft penetrates through the through round hole of the fixing frame, the cylindrical surface of the rotating shaft is fixedly connected with an eccentric wheel, and the eccentric wheel is arranged in the fixing frame. The eccentric wheel curved surface makes contact with the lower surface of the screening frame. According to the structure, by arranging the fixing frame, the screening frame, the motor, the rotating shaft and the eccentric wheel, the failure rate of equipment in the operation process can be reduced, the maintenance frequency is reduced, and the working efficiency of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rice separation equipment, in particular to rice sorting equipment. Background Art

[0002] Rice refers to the seeds without husks removed. Botanically, it belongs to the subspecies of Oryza sativa in the subgenus Oryza of the genus Oryza in the family Gramineae. Humans have identified 22 types of rice, but the only one used in bulk trade is the common type of rice. my country is one of the countries with the longest history of rice cultivation and the richest rice genetic resources.

[0003] After the rice is harvested, it needs to be sorted to separate some defective rice and mixed straw. However, the existing rice sorting machines all sort by vibration. Such vibration sorting equipment has a high failure rate due to the large vibration amplitude. Utility Model Content

[0004] The utility model provides a rice sorting device, which can reduce the failure rate of the device during operation, reduce the maintenance frequency, and improve the working efficiency of the equipment.

[0005] In order to achieve the above-mentioned purpose, a rice sorting device is provided, comprising a bottom plate: the upper surface of the bottom plate is fixedly connected to a fixed frame, the front surface of the fixed frame is provided with a discharge port, the inner surface of the fixed frame is slidably connected to a screening frame, the four side surfaces of the screening frame are respectively in contact with the four side surfaces inside the fixed frame, the upper surface of the bottom plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating shaft, the side surface of the fixed frame other than the discharge port is provided with a through circular hole, the rotating shaft passes through the through circular hole of the fixed frame, the cylindrical surface of the rotating shaft is fixedly connected to an eccentric wheel, the eccentric wheel is inside the fixed frame, and the curved surface of the eccentric wheel is in contact with the lower surface of the screening frame. The screening frame is provided to facilitate the sorting of rice during its movement, the motor is provided to facilitate the rotation of the eccentric wheel, the eccentric wheel is provided to facilitate the shaking of the screening frame up and down during its rotation, and the fixed frame is provided to facilitate the determination of the trajectory of the screening frame movement.

[0006] According to the rice sorting equipment, the inner side surface of the fixed frame is fixedly connected to an inclined plate, the inclined plate is below the eccentric wheel, and the inclined side of the inclined plate passes through the discharge port of the fixed frame. The inclined plate is provided to facilitate the screened rice to slide into the collection vehicle.

[0007] According to the rice sorting equipment, the lower oblique surface of the inclined plate is fixedly connected to a vibrator, which is connected to an external power source via a wire. The vibrator is provided to facilitate the vibration of the inclined plate, thereby preventing rice from piling up on the inclined plate.

[0008] According to the rice sorting equipment, the front side surface of the fixed frame is fixedly connected to the limit plate, the upper surface of the limit plate is provided with a vertical through slide groove, the slide groove of the limit plate is slidably connected to the sliding rod, and the side surface of the sliding rod is provided with a through matching hole. The sliding rod is provided to facilitate the movement of the blocking plate.

[0009] According to the rice sorting equipment, the upper surface of the sliding rod is fixedly connected to the pull plate, the lower surface of the sliding rod is fixedly connected to the blocking plate, the rear surface of the blocking plate is in contact with the front surface of the fixed frame, and the blocking plate is above the discharge port of the fixed frame. The blocking plate is provided to facilitate blocking the discharge port when the collecting vehicle is full and an idle collecting vehicle is replaced, so as to prevent rice from spilling on the ground during the replacement of the collecting vehicle.

[0010] According to the rice sorting equipment, the front surface of the fixed frame is provided with a locking mechanism, the locking mechanism includes a sliding shaft, a fixed block, a spring and a pull block, the fixed block is fixedly connected to the front surface of the fixed frame, the side surface of the fixed block is provided with a through circular slide groove, the sliding shaft is slidably connected in the circular slide groove of the fixed block, and the sliding shaft passes into the matching hole of the sliding rod. The locking mechanism is provided to facilitate fixing the position of the sliding rod.

[0011] According to the rice sorting equipment, the pulling block is fixedly connected to the end face of the sliding shaft away from the sliding rod, the spring is fixedly connected between the fixed block and the pulling block, and the spring ring is on the cylindrical surface of the sliding shaft. The spring is provided to facilitate pulling the sliding shaft into the matching hole of the sliding rod.

[0012] According to the rice sorting equipment, a material collecting trolley is provided on the upper surface of the bottom plate, the material collecting trolley is below the lowest part of the inclined plate, and a handle is fixedly connected to the upper surface of the screening frame.

[0013] The beneficial effects of the utility model include: by arranging the fixing frame, the screening frame, the motor, the rotating shaft and the eccentric wheel, the failure rate of the equipment during operation can be reduced, the maintenance frequency can be reduced, and the working efficiency of the equipment can be improved.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the overall structure of a rice sorting device of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a fixed frame of a rice sorting device of the utility model;

[0018] Figure 3 This is an enlarged view of the local structure at A of a rice sorting device of the utility model;

[0019] Figure 4 The utility model is a schematic cross-sectional structure diagram of the locking mechanism and the sliding rod of the rice sorting equipment.

[0020] Legend:

[0021] 1. Bottom plate; 2. Material collecting trolley; 3. Fixed frame; 4. Inclined plate; 5. Blocking plate; 6. Screening frame; 7. Handle; 8. Vibrator; 9. Motor; 10. Rotating shaft; 11. Eccentric wheel; 12. Limiting plate; 13. Sliding rod; 14. Pull plate; 15. Locking mechanism; 1501. Sliding shaft; 1502. Fixed block; 1503. Spring; 1504. Pull block. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figures 1 to 4 The utility model embodiment is a rice sorting device, which includes a bottom plate 1: the upper surface of the bottom plate 1 is fixedly connected to a fixed frame 3, a discharge port is provided on the front side surface of the fixed frame 3, a screening frame 6 is slidably connected to the inner surface of the fixed frame 3, and the four side surfaces of the screening frame 6 are respectively in contact with the four side surfaces inside the fixed frame 3, the upper surface of the bottom plate 1 is fixedly connected to a motor 9, and the output end of the motor 9 is fixedly connected to a rotating shaft 10, a through circular hole is provided on the side surface of the fixed frame 3 other than the discharge port, the rotating shaft 10 passes through the through circular hole of the fixed frame 3, and the cylindrical surface of the rotating shaft 10 is fixedly connected to an eccentric wheel 11, the eccentric wheel 11 is inside the fixed frame 3, and the curved surface of the eccentric wheel 11 is in contact with the lower surface of the screening frame 6, and the screening frame 6 is made of steel. Before screening, the upper surface opening of the screening frame 6 needs to be blocked with a cover plate to prevent rice from splashing out of the screening frame 6 during vibration, and the cover plate can be fixed to the screening frame 6 by screws.

[0024] A locking mechanism 15 is provided on the front side surface of the fixed frame 3, and the locking mechanism 15 includes a sliding shaft 1501, a fixed block 1502, a spring 1503 and a pulling block 1504. The fixed block 1502 is fixedly connected to the front side surface of the fixed frame 3, and a through circular sliding groove is provided on the side surface of the fixed block 1502. The sliding shaft 1501 is slidingly connected in the circular sliding groove of the fixed block 1502, and the sliding shaft 1501 passes into the matching hole of the sliding rod 13. The pulling block 1504 is fixedly connected to the end surface of the sliding shaft 1501 away from the sliding rod 13, and the spring 1503 is fixedly connected between the fixed block 1502 and the pulling block 1504. The spring 1503 is ringed on the cylindrical surface of the sliding shaft 1501.

[0025] The front surface of the fixed frame 3 is fixedly connected to the limit plate 12, and the upper surface of the limit plate 12 is provided with a vertical sliding groove, the sliding groove of the limit plate 12 is slidably connected to the sliding rod 13, and the side surface of the sliding rod 13 is provided with a through matching hole, the upper surface of the sliding rod 13 is fixedly connected to the pulling plate 14, and the lower surface of the sliding rod 13 is fixedly connected to the blocking plate 5, the rear surface of the blocking plate 5 is in contact with the front surface of the fixed frame 3, and the blocking plate 5 is above the discharge port of the fixed frame 3. When replacing the receiving car 2, it is necessary to pull the sliding shaft 1501 out of the matching hole of the sliding rod 13 to allow the blocking plate 5 to drop to contact with the inclined plate 4, thereby blocking the discharge port of the fixed frame 3 and preventing the rice on the inclined plate 4 in the fixed frame 3 from flowing out.

[0026] The inner side surface of the fixed frame 3 is fixedly connected to the inclined plate 4, and the inclined plate 4 is below the eccentric wheel 11. The inclined side of the inclined plate 4 passes through the discharge port of the fixed frame 3. The oblique lower surface of the inclined plate 4 is fixedly connected to the vibrator 8. The vibrator 8 is connected to an external power supply through a wire, and the vibrator 8 can be started intermittently.

[0027] A material receiving trolley 2 is arranged on the upper surface of the bottom plate 1 . The material receiving trolley 2 is below the lowest part of the inclined plate 4 . A handle 7 is fixedly connected to the upper surface of the screening frame 6 .

[0028] Working principle: Start the motor 9 to drive the rotating shaft 10 to rotate, thereby driving the eccentric wheel 11 to rotate. During the rotation of the eccentric wheel 11, the upper screening frame 6 will be pushed to the highest point, and then the screening frame 6 will fall. This process is repeated continuously to allow the screening frame 6 to move up and down continuously. The rice inside the screening frame 6 is constantly vibrated during this process, and the rice that meets the specifications is screened out during this process. The vibrating part has a simple structure without complex mechanisms, so it is not easy to malfunction.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A rice sorting device, characterized in that: The invention comprises a bottom plate (1): the upper surface of the bottom plate (1) is fixedly connected to a fixed frame (3); the front side surface of the fixed frame (3) is provided with a discharge port; the inner surface of the fixed frame (3) is slidably connected to a screening frame (6); the four side surfaces of the screening frame (6) are respectively in contact with the four side surfaces inside the fixed frame (3); the upper surface of the bottom plate (1) is fixedly connected to a motor (9); the output end of the motor (9) is fixedly connected to a rotating shaft (10); the side surface of the fixed frame (3) other than the discharge port is provided with a through circular hole; the rotating shaft (10) passes through the through circular hole of the fixed frame (3); the cylindrical surface of the rotating shaft (10) is fixedly connected to an eccentric wheel (11); the eccentric wheel (11) is inside the fixed frame (3); and the curved surface of the eccentric wheel (11) is in contact with the lower surface of the screening frame (6).

2. A rice sorting device according to claim 1, characterized in that: The inner side surface of the fixed frame (3) is fixedly connected to an inclined plate (4), the inclined plate (4) is below the eccentric wheel (11), and an inclined side of the inclined plate (4) passes through the discharge port of the fixed frame (3).

3. A rice sorting device according to claim 2, characterized in that: The oblique lower surface of the inclined plate (4) is fixedly connected to a vibrator (8), and the vibrator (8) is connected to an external power source via a wire.

4. The rice sorting equipment according to claim 1, characterized in that: The front side surface of the fixed frame (3) is fixedly connected to a limiting plate (12), the upper surface of the limiting plate (12) is provided with a vertically penetrating sliding groove, the sliding groove of the limiting plate (12) is slidably connected to a sliding rod (13), and the side surface of the sliding rod (13) is provided with a through matching hole.

5. A rice sorting device according to claim 4, characterized in that: The upper surface of the sliding rod (13) is fixedly connected to the pull plate (14), and the lower surface of the sliding rod (13) is fixedly connected to the blocking plate (5). The rear surface of the blocking plate (5) is in contact with the front surface of the fixed frame (3), and the blocking plate (5) is above the discharge port of the fixed frame (3).

6. The rice sorting equipment according to claim 1, characterized in that: The front surface of the fixed frame (3) is provided with a locking mechanism (15), and the locking mechanism (15) comprises a sliding shaft (1501), a fixed block (1502), a spring (1503) and a pull block (1504); the fixed block (1502) is fixedly connected to the front surface of the fixed frame (3); the side surface of the fixed block (1502) is provided with a through circular sliding groove; the sliding shaft (1501) is slidably connected in the circular sliding groove of the fixed block (1502); and the sliding shaft (1501) is passed into the matching hole of the sliding rod (13).

7. The rice sorting equipment according to claim 6, characterized in that: The pulling block (1504) is fixedly connected to the end surface of the sliding shaft (1501) away from the sliding rod (13), and the spring (1503) is fixedly connected between the fixed block (1502) and the pulling block (1504), and the spring (1503) is ringed on the cylindrical surface of the sliding shaft (1501).

8. The rice sorting equipment according to claim 1, characterized in that: A material receiving trolley (2) is arranged on the upper surface of the bottom plate (1), and the material receiving trolley (2) is below the lowest point of the inclined plate (4). A handle (7) is fixedly connected to the upper surface of the screening frame (6).

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